<template>
  <view>
    <!-- 自定义搜索组件 -->
    <view class="search-box">
      <my-search @click='gotoSearch'></my-search>
    </view>
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, index) in swiperList" :key="index">
        <navigator :url="'/subpkg/goods_detail/goods_detail?id=' + item.goods_id" class="swiper-item">
          <img :src="item.image_src" alt="">
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image> 
      </view>
    </view>
    <!-- 楼层区域 -->
    <!-- 楼层的容器 -->
    <view class="floor-list">
      <!-- 每一个楼层的 item 项 -->
      <view class="floor-item" v-for="(item,index) in floorList" :key="index">
        <!-- 楼层的标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层的图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧的大图片盒子 -->
          <navigator  :url="item.product_list[0].url"  class="left-img-box">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator :url="item.url"  class="right-img-item" v-for="(item,index) in item.product_list" :key="index" v-if="index !== 0">
              <image :src="item.image_src" mode="widthFix" :style="{width: item.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
import { $http } from '@escook/request-miniprogram';
  export default {
    data() {
      return {
        swiperList: [] ,// 存储轮播图数据
        navList: [], // 分类导航的数据列表
        floorList: [], // 楼层数据
      };
    },
    onLoad(){
      this.getSwiperList() // 调用获取轮播图数据方法
      this.getNavList()
      this.getFloorList()
    },
    methods:{
      // 获取轮播图数据
      async getSwiperList(){
        const {data:res} = await uni.$http.get('/home/swiperdata')
        // 获取失败
        if( res.meta.status !== 200) return uni.$showMsg()
        this.swiperList = res.message
        uni.$showMsg('获取成功')
      },
      // 获取导航数据
      async getNavList(){
        const {data:res} = await uni.$http.get('/home/catitems')
        if(res.meta.status !== 200) return uni.$showMsg()
        // console.log(res)
        this.navList = res.message
      },
      // 点击跳转到分类页面
      navClickHandler(item){
        console.log(item)
        if(item.name === '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      // 获取楼层数据
      async getFloorList(){
        const {data:res} = await uni.$http.get('/home/floordata')
        // console.log(res)
        if(res.meta.status !== 200) return uni.$showMsg()
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search',
        })
      }
    }
  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  .swiper-item,
  img{
    height: 100%;
    width: 100%;
  }
}

.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title{
  height: 60rpx;
  width: 100%;
}

.floor-img-box{
  display: flex;
  padding-left: 10rpx;
  .right-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
}
// 首页搜索页面的吸顶效果
.search-box{
  position: sticky;
  top: 0;
  z-index: 1;
}
</style>
